CN117218978A - Uniform light evacuation emergency lamp - Google Patents
Uniform light evacuation emergency lamp Download PDFInfo
- Publication number
- CN117218978A CN117218978A CN202311218738.0A CN202311218738A CN117218978A CN 117218978 A CN117218978 A CN 117218978A CN 202311218738 A CN202311218738 A CN 202311218738A CN 117218978 A CN117218978 A CN 117218978A
- Authority
- CN
- China
- Prior art keywords
- light
- plate
- guide plate
- light source
- light guide
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000000149 argon plasma sintering Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Abstract
The invention discloses a uniform light evacuation emergency lamp, which comprises a light guide plate, a light transmission plate and a light source plate, wherein the light source plate is provided with a plurality of light sources in a row, and the light transmission plate is connected with the light source plate so that light generated by the light source is emitted into the light transmission plate; the light guide plate is provided with a plurality of notches, and the notches penetrate through the light guide plate to enable the light guide plate to form vacancies locally; the light guide plate is connected with the light-transmitting plate to enable the notch to be close to the indication part so as to guide light rays approaching the indication part of the notch to be emitted from the notch. The device has the advantages of simple structure, compact matching, reasonable design and the like; therefore, it is a product with excellent performance both technically and economically.
Description
[ field of technology ]
The invention mainly relates to a uniform light evacuation emergency lamp.
[ background Art ]
The fire evacuation indicator lamp is an escape exit indicator lamp in various public places, and is the most common tool in fire emergency. The inside luminescent light of present fire emergency indicator lamp has some strong light direct to roll over, reflect near the border of evacuation indicator portion, causes the stronger condition of border position light, leads to whole luminous inhomogeneous, influences the striking nature of sign and personnel's visual effect, probably can lead to personnel to can not clearly see the direction of sign clearly. Therefore, the structure of the evacuation emergency lamp is improved, so that the whole lamp can emit light uniformly.
[ invention ]
In order to solve at least one of the problems, the invention provides a new structural scheme, and the uniform light evacuation emergency lamp adopts the following technical scheme:
the light-homogenizing evacuation emergency lamp comprises a light guide plate, a light-transmitting plate and a light source plate, wherein the light source plate is provided with a plurality of light sources in a row, and the light-transmitting plate is connected with the light source plate to enable light generated by the light sources to be emitted into the light-transmitting plate;
the light guide plate is provided with a plurality of notches, and the notches penetrate through the light guide plate to enable the light guide plate to form vacancies locally; the light guide plate is connected with the light-transmitting plate to enable the notch to be close to the indication part so as to guide light rays approaching the indication part of the notch to be emitted from the notch.
Preferably, the light-transmitting plate includes a surface and a rear surface, the indication portion is located on the surface, the light-guiding plate is connected to the rear surface, and the light-transmitting plate guides light scattering through the light-guiding plate.
Preferably, the indication part is composed of indication characters, indication patterns or combination of the indication characters and the indication patterns.
Preferably, the light source board is arranged with a plurality of bayonets, a plurality of clamping columns extend from the bottom of the light-transmitting board, the clamping columns are embedded in the bayonets to fix the position of the light-transmitting board on the light source board, and the light source of the light source board is arranged between the surface and the back.
Preferably, the light guide plate connected with the light-transmitting plate covers the light source of the light source plate to limit the light emission direction generated by the light source.
Preferably, when the light-transmitting plate is connected with the light guide plate, the notch is adjacent to the edge of the indication part, and the notch is located outside the vertical projection plane of the indication part relative to the light guide plate.
Compared with the background technology, the invention has the beneficial effects that:
the invention provides a uniform light evacuation emergency lamp, which comprises a light guide plate, a light-transmitting plate and a light source plate, wherein the end face of the light-transmitting plate is provided with a convex indication part, and light rays of the light-transmitting plate in the prior art are refracted from two sides to the indication part to cause the edge position of the indication part to be relatively over-bright. The device has the advantages of simple structure, compact matching, reasonable design and the like; therefore, it is a product with excellent performance both technically and economically.
[ description of the drawings ]
FIG. 1 is a schematic view of a first view of a dodging evacuation emergency lamp according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of a second view of a dodging evacuation emergency lamp according to a preferred embodiment of the present invention;
FIG. 3 is an exploded view of a light-homogenizing evacuation emergency light according to a preferred embodiment of the present invention;
FIG. 4 is a schematic view of a light guide plate and a light transmitting plate according to a preferred embodiment of the present invention;
FIG. 5 is a schematic view of a light guide plate, a light transmitting plate and a light source plate according to a preferred embodiment of the present invention;
FIG. 6 is a schematic view showing the matching of the notch and edge positions in a preferred embodiment of the present invention;
FIG. 7 is a schematic view showing the effect of the light guide plate with a notch on the edge position according to the preferred embodiment of the present invention;
FIG. 8 is a schematic view of the cooperation of the notch and the indicator according to the preferred embodiment of the present invention.
[ detailed description ] of the invention
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout.
In the description of the present invention, it should be noted that, for the azimuth words such as the terms "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, only for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and should not be construed as limiting the specific scope of protection of the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first", "a second" or "a second" feature may explicitly or implicitly include one or more such feature, and in the description of the invention, the meaning of "a number" is two or more, unless otherwise specifically defined.
In the present invention, unless explicitly stated and limited otherwise, the terms "assembled," "connected," and "connected" are to be construed broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; can be directly connected or connected through an intermediate medium, and can be communicated with the inside of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless specified and limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "below," and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply representing the first feature as having a higher level than the second feature. The first feature being "above," "below," and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or simply indicating that the first feature is level below the second feature.
The technical scheme and the beneficial effects of the invention are more clear and definite by further describing the specific embodiments of the invention with reference to the drawings in the specification. The embodiments described below are exemplary by referring to the drawings for the purpose of illustrating the invention and are not to be construed as limiting the invention.
The preferred embodiments provided by the invention are: referring to fig. 1 to 8, a uniform light evacuation emergency lamp comprises a light guide plate 1, a light transmission plate 2 and a light source plate 3, wherein the light guide plate is made of opaque materials, the light transmission plate is made of transparent materials, the light source plate 3 is provided with a plurality of light sources 31 in a row, and the light transmission plate 2 is connected with the light source plate 3 so that light generated by the light sources 31 is emitted into the light transmission plate 2; the light guide plate 1 connected with the light-transmitting plate 2 covers the light source 31 of the light source plate to limit the light emitting direction generated by the light source.
The light-transmitting plate 2 is of an integrated structure, the end face of the light-transmitting plate 2 is protruded to form a plurality of indication parts 21, the light guide plate 1 is provided with a plurality of cut-outs 11, and the cut-outs 11 penetrate through the light guide plate 1 to enable the light guide plate 1 to form gaps locally; the light guide plate 1 is in contact with the light-transmitting plate 2 so that the slit 11 approaches the indication portion 21 to guide the light rays approaching the indication portion 21 of the slit 11 to be emitted from the slit 11.
The light-transmitting plate 2 comprises a front surface 22 and a back surface 23, the indication part 21 is positioned on the front surface 22, the light guide plate 1 is connected to the back surface 23, and the light-transmitting plate 2 guides light scattering through the light guide plate 1. The indication part 21 is composed of indication characters, indication patterns or combination of the indication characters and the indication patterns. The indication part 21 and the light-transmitting plate 2 are made of the same material, when the light-transmitting plate 2 is connected with the light-guiding plate 1, the notch 11 is adjacent to the edge 27 of the indication part 21, and the notch 11 is positioned outside the vertical projection plane of the indication part 21 relative to the light-guiding plate.
The light source plate 3 can adopt a conventional lamp plate with an LED light source, the light source plate 3 is provided with a plurality of bayonets 32 in a row, the bottom of the light-transmitting plate 2 extends out of a plurality of clamping columns 26, the clamping columns 26 are embedded in the bayonets 32 to fix the position of the light-transmitting plate 2 on the light source plate 3, and the light source of the light source plate 3 is arranged between the surface 22 and the back 23, so that light penetrates from the side part of the light-transmitting plate, the light incidence path is controlled, and the interference generated by the direct light incidence of the light on the end surface of the light-transmitting plate is avoided.
The end face of the light guide plate 1 is a flat end face, and the light guide plate 1 can be made of polyethylene, polycarbonate, polymethyl methacrylate and other materials, so that the end face of the light guide plate has a flat and smooth surface; the transparent plate 2 is made of acrylic; the light guide plate 1 is connected with the light-transmitting plate 2, the end face of the light guide plate 1 is attached to the back face 23 of the light-transmitting plate 2, the connected light-transmitting plate 2 and the light guide plate 1 are placed on a light source, light generated by the light source is transmitted into the light-transmitting plate 2, the light is scattered in the light-transmitting plate 2, one part of the light is transmitted out of the surface 22 to enter the indicating part 21 and is continuously scattered in the indicating part 21, and the other part of the light is scattered to the light guide plate 1 on the back face 23 and is diffusely reflected through the light guide plate 1, so that bright extension is realized, and meanwhile, the diffusely reflected light can enter the light-transmitting plate 2 again. Since the indicating portion 21 is raised with respect to the end face of the surface 22, the indicating portion 21 has a rim position 27; if the light guide plate is not provided with a notch, as shown in fig. 7, the internal and external light rays at the edge position will be refracted simultaneously at both sides of the edge position, so that the edge position of the indication part 21 is relatively too bright, and the overall brightness is uneven. Therefore, in this structure, as shown in fig. 8, the light guide plate 1 is provided with a plurality of slits 11, and when the light guide plate 1 is connected with the light-transmitting plate 2, the positions of the slits 11 correspond to the edge positions of the indication parts 21 of the light-transmitting plate 2, so that part of light rays in the light-transmitting plate can directly penetrate out from the slits 11, so as to weaken the influence on the outer side of the edge positions, avoid local excessive brightness, and make the whole light transmission of the light-transmitting plate 2 more uniform.
In the description of the present invention, a description of the terms "one embodiment," "preferred," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention, and a schematic representation of the terms described above in the present specification does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. From the above description of the structure and principles, it should be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, but rather that modifications and substitutions using known techniques in the art on the basis of the present invention fall within the scope of the present invention, which is defined by the appended claims.
Claims (6)
1. The utility model provides a dodging evacuation emergency light which characterized in that: the light source plate is provided with a plurality of light sources in a row, and the light-transmitting plate is connected with the light source plate so that light generated by the light source is emitted into the light-transmitting plate;
the light guide plate is provided with a plurality of notches, and the notches penetrate through the light guide plate to enable the light guide plate to form vacancies locally; the light guide plate is connected with the light-transmitting plate to enable the notch to be close to the indication part so as to guide light rays approaching the indication part of the notch to be emitted from the notch.
2. A dodging evacuation emergency lamp as recited in claim 1, wherein: the light-transmitting plate comprises a surface and a back surface, the indication part is positioned on the surface, the light guide plate is connected to the back surface, and the light-transmitting plate guides light scattering through the light guide plate.
3. A dodging evacuation emergency lamp as recited in claim 1, wherein: the indication part is composed of indication characters, indication patterns or combination of the indication characters and the indication patterns.
4. A dodging evacuation emergency lamp as recited in claim 2, wherein: the light source board is arranged with a plurality of bayonet sockets, a plurality of clamping columns extend from the bottom of the light-transmitting board, and the clamping columns are embedded in the bayonet sockets to fix the position of the light-transmitting board on the light source board, and the light source of the light source board is arranged between the surface and the back.
5. A dodging evacuation emergency lamp as recited in claim 1, wherein: the light source of the light source plate is covered by the light guide plate connected with the light transmission plate so as to limit the light emission direction generated by the light source.
6. A dodging evacuation emergency lamp as recited in claim 1, wherein: when the light-transmitting plate is connected with the light guide plate, the notch is adjacent to the edge of the indication part, and the notch is positioned outside the vertical projection plane of the indication part relative to the light guide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311218738.0A CN117218978A (en) | 2023-09-20 | 2023-09-20 | Uniform light evacuation emergency lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311218738.0A CN117218978A (en) | 2023-09-20 | 2023-09-20 | Uniform light evacuation emergency lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117218978A true CN117218978A (en) | 2023-12-12 |
Family
ID=89050722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311218738.0A Pending CN117218978A (en) | 2023-09-20 | 2023-09-20 | Uniform light evacuation emergency lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117218978A (en) |
-
2023
- 2023-09-20 CN CN202311218738.0A patent/CN117218978A/en active Pending
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